110 genera are assigned to the class BLASTOIDEA

OrderGenusFOPFOSLOPLOS
FISSICULATAAgmoblastusCStep-lPl
FISSICULATAAngioblastusCBash-uPGuad-u
FISSICULATAAngulatoblastusDSiegDEmsi
FISSICULATAAnthoblastusPSakmPGuad-u
FISSICULATAArtuschismaCSerp-lCSerp-l
FISSICULATAAstrocrinitesCVise-uCVise-u
FISSICULATAAstrocrinusCVise-uCVise-u
FISSICULATAAustroblastusPLeon-lPLeon-l
FISSICULATABrachyschismaDEmsiDGive
FISSICULATACaryoblastusDEmsiDEmsi
FISSICULATACeratoblastusPGuad-uPGuad-u
FISSICULATACodasterCVise-uCVise-u
FISSICULATACryptoschismaDEmsiDEmsi
FISSICULATADecaschismaSWenl-lSWenl-l
FISSICULATADipteroblastusPGuad-uPGuad-u
FISSICULATADolichoblastusCSerpCSerp
FISSICULATAHadroblastusCTour-lCVise-u
FISSICULATAHeteroschismaDEife-lDGive
FISSICULATAIndoblastusPGuad-uPGuad-u
FISSICULATAJunggaroblastusDFame-uDFame-u
FISSICULATAKatoblastusCTour-uCTour-u
FISSICULATAKazachstanoblastusCSerpCSerp
FISSICULATAKoryschismaCTour-lCSerp-l
FISSICULATALeptoschismaDGediDEmsi
FISSICULATAMastoblastusCSerp-lCSerp-l
FISSICULATAMicroblastusPGuad-uPGuad-u
FISSICULATANannoblastusPSakmPGuad-u
FISSICULATANeoschismaPAssePGuad-u
FISSICULATANotoblastusPAssePGuad-u
FISSICULATANymphaeoblastusCTourCVise-u
FISSICULATAOrophocrinusDFame-uCVise-u
FISSICULATAPachyblastusDEmsiDEmsi
FISSICULATAParacodasterPLeonPLeon
FISSICULATAPentablastusCSerp-uCSerp-u
FISSICULATAPentremitideaDEmsi-lDEmsi-l
FISSICULATAPhaenoblastusCTour-lCTour-l
FISSICULATAPhaenoschismaCTour-lCSerp-l
FISSICULATAPleuroschismaDEmsiDGive-l
FISSICULATAPolydeltoideusSLudl-lSPrid
FISSICULATAPterotoblastusPLeon-uPGuad-u
FISSICULATASagittoblastusPLeonPLeon
FISSICULATASphaeroschismaPAssePSakm
FISSICULATAThaumatoblastusPAssePGuad-u
FISSICULATATimoroblastusPLeon-uPGuad-u
FISSICULATATympanoblastusCStepPLeon
FISSICULATAXenoblastusCTour-lCTour-u
SPIRACULATAAcentrotremitesCVise-lCVise-u
SPIRACULATAAmbolostomaCVise-uCVise-u
SPIRACULATAArcuoblastusCTour-uCTour-u
SPIRACULATAAuloblastusCTour-uCTour-u
SPIRACULATABelocrinusDSieg-uDSieg-u
SPIRACULATACalycoblastusPAssePLeon
SPIRACULATACarpenteroblastusCTour-uCVise-l
SPIRACULATAConuloblastusDEmsi-uDEmsi-u
SPIRACULATACordyloblastusDEmsiDEife
SPIRACULATACostatoblastusCTour-lCTour-l
SPIRACULATACribroblastusCVise-lCVise-u
SPIRACULATACryptoblastusCTour-lCTour-u
SPIRACULATADecemoblastusCTour-uCTour-u
SPIRACULATADeliablastusCVise-lCVise-l
SPIRACULATADeltoblastusPGuad-uPGuad-u
SPIRACULATADentiblastusCTour-uCTour-u
SPIRACULATADevonoblastusDGiveDGive
SPIRACULATADiploblastusCVise-uCSerp-l
SPIRACULATADoryblastusDFameDFame
SPIRACULATAElaeacrinusDEmsi-lDEmsi-l
SPIRACULATAEleutherocrinusDEife-lDGive
SPIRACULATAEllipticoblastusCVise-lCVise-l
SPIRACULATAEuryoblastusCVise-lCVise-l
SPIRACULATAGloboblastusCTour-uCTour-u
SPIRACULATAGongyloblastusCVise-lCVise-l
SPIRACULATAGranatocrinusCVise-lCVise-l
SPIRACULATAHeteroblastusCVise-uCVise-u
SPIRACULATAHouiblastusDFame-lDFame-l
SPIRACULATAHyperoblastusDEmsiDFras-l
SPIRACULATAIranoblastusCVise-lCVise-l
SPIRACULATAKadiskoblastusCTourCTour
SPIRACULATALophoblastusCTour-uCTour-u
SPIRACULATAMalchiblastusCBashCBash
SPIRACULATAMesoblastusCTour-uCVise-l
SPIRACULATAMetablastusCTour-lCVise-l
SPIRACULATAMonadoblastusCTour-uCTour-u
SPIRACULATAMonoblastusCTour-uCTour-u
SPIRACULATAMonoschizablastusCVise-uCVise-u
SPIRACULATAMontanablastusCTour-lCTour-l
SPIRACULATANodoblastusCSerp-uCSerp-u
SPIRACULATANucleocrinusDEifeDGive-u
SPIRACULATAOrbiblastusCTour-uCTour-u
SPIRACULATAOrbitremitesCVise-uPGuad-u
SPIRACULATAPentephyllumCVise-lCVise-l
SPIRACULATAPentremitesCTour-uCSerp-l
SPIRACULATAPentremoblastusCTour-lCTour-l
SPIRACULATAPerittoblastusCVise-lCVise-l
SPIRACULATAPetaloblastusDFameDFame
SPIRACULATAPlacoblastusDGive-uDGive-u
SPIRACULATAPoroblastusCTour-lCVise
SPIRACULATAPtychoblastusCVise-uCVise-u
SPIRACULATAPyramiblastusCTour-lCTour-l
SPIRACULATARhopaloblastusPSakm-uPGuad-u
SPIRACULATASchizoblastusCTour-uCTour-u
SPIRACULATASchizotremitesDGiveDGive
SPIRACULATASinopetaloblastusDFame-uDFame-u
SPIRACULATAStrongyloblastusCTour-lCTour-l
SPIRACULATATanablastusCTour-lCTour-l
SPIRACULATATricoelocrinusCVise-lCVise-l
SPIRACULATATroosticrinusSWenl-lSWenl-l
SPIRACULATAUyguroblastusDFame-uDFame-u
SPIRACULATAXinjiangoblastusDFame-uDFame-u
SPIRACULATAXyeleblastusCVise-lCVise-l
uncertainMacurdablastusOCara-lOCara-l

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FOP = Period of first occurrence
FOS = Stage of first occurrence
LOP = Period of last occurrence
LOS = Stage of last occurrence

Stage abbreviations follow Sepkoski (2002).